Financial Instruments - Production Financing Loans (Details) - USD ($) $ in Millions |
Sep. 25, 2022 |
Dec. 26, 2021 |
Sep. 26, 2021 |
|---|---|---|---|
| Debt Disclosure [Abstract] | |||
| Production financing facilities | $ 184.9 | $ 170.1 | $ 204.7 |
| Non-current | 0.0 | 0.0 | 47.0 |
| Current | $ 184.9 | $ 170.1 | $ 157.7 |